000			00405nam a22001577a 4500
003			OSt
020			_a8176485349
082			_a628 TRI
100			_aTrivedi, P.R.
245			_aEnvironmental pollution and control / _cby P.R. Trivedi.
260			_aNew Delhi : _bAPH publishing, _c2004.
300			_avi, 161p.: _bill.; _c22 cm.
504			_aINDX
650			_aEnvironmental engineering
942			_2ddc _cBK
999			_c32167 _d32167